// --------------------------------------------------------------------------------------------------------------------
// <copyright file="RgbImageDecompressionAgent.cs" company="Microsoft Corporation">
// The MIT License (MIT)
// 
// Copyright (c) 2014, Microsoft Corporation
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
//  of this software and associated documentation files (the "Software"), to deal
//  in the Software without restriction, including without limitation the rights
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// The above copyright notice and this permission notice shall be included in
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namespace Microsoft.Robotics.Vision.Runtime
{
    using System;
    using System.Collections.Generic;
    using System.Diagnostics;
    using System.Drawing;
    using System.Runtime.InteropServices;
    using System.Runtime.Serialization;

    using Microsoft.Robotics.Numerics;
    using Microsoft.Robotics.Runtime;
    using Microsoft.Robotics.Vision.Cameras;
    using Microsoft.Robotics.Vision.Cameras.Webcam;
    using Microsoft.Robotics.Vision.Runtime.Cameras;

    /// <summary>
    /// Agent that compresses a $rgb$ image
    /// </summary>
    /// <typeparam name="TColor">The type of color image</typeparam>
    [DataContract]
    public class RgbImageDecompressionAgent<TColor> : ConsumerProducerAgent<CompressedCameraAgentMessage<TColor>, ColorCameraAgentMessage<TColor>>
        where TColor : ColorParameters
    {
        /// <summary>
        /// Initializes a new instance of the <see cref="RgbImageDecompressionAgent{TColor}"/> class. 
        /// </summary>
        /// <param name="name">The name of the agent</param>
        /// <param name="imageProducer">the producer of $rgb$ images</param>
        public RgbImageDecompressionAgent(
            string name,
            IProducer<CompressedCameraAgentMessage<TColor>> imageProducer)
            : base(name, imageProducer.Name)
        {
        }

        /// <summary>
        /// Compressed a $rgb$ image
        /// </summary>
        /// <param name="message">Received camera message</param>
        public override void Receive(CompressedCameraAgentMessage<TColor> message)
        {
            ImageFrame<RgbPix> decompressed = ImageOperations2D.DecompressColorImage(message.ImageFrame);
            Publisher.Post(new ColorCameraAgentMessage<TColor>(message.OriginatingTime, decompressed, message.Parameters));
        }
    }
}
